A blind man goes into a lesbian bar by mistake. He finds his way to a barstool and orders a drink. After sitting there for a while, he shouts in a loud voice, ""Oi, barman, you want to hear the best thick blonde joke ever?"" The bar immediately falls deathly quiet. In a deep, husky voice, the woman next to him says, ""Before you tell that joke, sir, I think it is fair, given that you are blind, that I should enlighten you on a few points. Number one, the barman' is in fact a blonde lady. Number …